package com.itheima.interceptors;


import com.itheima.pojo.Result;
import com.itheima.utils.JwtUtil;
import com.itheima.utils.ThreadLocalUtil;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;
import org.springframework.stereotype.Component;
import org.springframework.stereotype.Controller;
import org.springframework.web.servlet.HandlerInterceptor;

import java.util.Map;

@Component
public class LoginInterceptor implements HandlerInterceptor {

    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response,Object handler) throws Exception {


        /**
         * 令牌验证
         */
        String token = request.getHeader("Authorization");
        //验证token
        try {
            Map<String, Object> claims = JwtUtil.parseToken(token);
            ThreadLocalUtil.set(claims);
            //放行
            return true;
        } catch (Exception e) {
            //http相应状态码为401
            response.setStatus(401);
            //不放行
            return false;

        }
    }


}
